<!DOCTYPE html>
<html>

<head>
    <meta charset=utf-8>
</head>

<body>
    <!-- 
        请补全JavaScript代码，完成类的继承。要求如下：
        1. "Chinese"类继承于"Human"类
        2. "Human"类实现一个函数"getName"，返回该实例的"name"属性
        3. "Chinese"类构造函数有两个参数，分别为"name"、"age"
        4. "Chinese"类实现一个函数"getAge"，返回该实例的"age"属性
     -->
    <script type="text/javascript">
        class Human {
            constructor(name) {
                this.name = name
                this.kingdom = 'animal'
                this.color = ['yellow', 'white', 'brown', 'black']
            }
            // 补全代码
            getName() {
                return this.name
            }
        }

        // 补全代码
        class Chinese extends Human {
            constructor(name, age) {
                super(name)//调用父类的constructor(name)
                this.age = age
            }
            getAge() {
                return this.age
            }
        }
    </script>
</body>

</html>